Quantum from Classical: Creation of Quantum States of Motion in Nanomechanical Resonators

经典中的量子:在纳米机械谐振器中创建量子运动态

基本信息

  • 批准号:
    1507400
  • 负责人:
  • 金额:
    $ 68.26万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-08-01 至 2019-07-31
  • 项目状态:
    已结题

项目摘要

Non-technical abstractIt is well understood that the physical behavior of macroscopic objects like baseballs or planets is described very accurately by the laws of classical physics developed by Newton and familiar to many from a course in freshman physics. It is equally well understood that the behavior of microscopic objects like atoms and molecules is described by the much more mysterious and counterintuitive laws of quantum physics. What is not clear is exactly where the boundary between classical behavior and quantum behavior lies. In order to investigate this question, this research will examine the behavior of mechanical systems that would normally behave classically, with the goal of causing them to instead behave quantum mechanically. This will be accomplished by using a superconducting device to cause very strong coupling between light and a mechanical resonator; the light will be used to both induce and read out the quantum behavior. Investigations of this sort will better delineate the border between classical and quantum physics, and help us understand the influence of quantum phenomena on the everyday world around us. Two graduate students will be supported by this project, and will be trained in such experimental techniques as microwave measurement, nanoscale fabrication and low-temperature physics that are widely used both in academia and in high-technology industry. Technical abstractThe research supported by this grant will investigate the nature of the boundary between classical and quantum physics by study of systems consisting of a small mechanical resonator strongly coupled to a superconducting microwave cavity. Coupling between the two will be mediated by a single Cooper pair transistor (a superconducting device that transfers Cooper pairs one by one). The presence of the Cooper pair transistor will allow a very strong, nonlinear coupling between photons in the cavity and quantum lattice vibrations (phonons) in the mechanical resonator. This coupling will be so strong, in fact, that it should be possible to measure or influence a single phonon with a single photon. By making use of this strong, nonlinear coupling, it should be possible to use photons in the microwave cavity to induce highly quantum mechanical states of motion in the mechanical resonator. A detailed study of this interaction could lead to a better understanding of the interface between quantum and classical behavior. Two graduate students will be supported by this project, and will be trained in such experimental techniques as microwave measurement, nanoscale fabrication and low-temperature physics that are widely used both in academia and in high-technology industry.
众所周知,像棒球或行星这样的宏观物体的物理行为是由牛顿发展的经典物理定律非常准确地描述的,并且许多人从大一物理课程中熟悉。 同样可以理解的是,像原子和分子这样的微观物体的行为是由量子物理学中更神秘和违反直觉的定律描述的。 经典行为和量子行为之间的界限究竟在哪里还不清楚。 为了研究这个问题,这项研究将研究通常表现为经典的力学系统的行为,目的是使它们表现为量子力学。 这将通过使用超导设备来实现,以在光和机械谐振器之间产生非常强的耦合;光将用于诱导和读出量子行为。 这类研究将更好地划定经典物理和量子物理之间的界限,并帮助我们理解量子现象对我们周围日常世界的影响。 该项目将资助两名研究生,他们将接受微波测量、纳米制造和低温物理等实验技术的培训,这些技术在学术界和高科技产业中都有广泛的应用。 技术摘要本研究将通过研究由一个小型机械谐振器与超导微波腔强耦合组成的系统,来研究经典物理与量子物理之间的边界性质。 两者之间的耦合将由单个库珀对晶体管(一种逐个传输库珀对的超导器件)介导。 库珀对晶体管的存在将允许腔中的光子与机械谐振器中的量子晶格振动(声子)之间的非常强的非线性耦合。 事实上,这种耦合是如此之强,以至于应该可以用单个光子测量或影响单个声子。 通过利用这种强的非线性耦合,应该可以使用微波腔中的光子在机械谐振器中诱导高度量子力学的运动状态。 对这种相互作用的详细研究可以更好地理解量子和经典行为之间的界面。 该项目将资助两名研究生,他们将接受微波测量、纳米制造和低温物理等实验技术的培训,这些技术在学术界和高科技产业中都有广泛的应用。

项目成果

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Alexander Rimberg其他文献

Alexander Rimberg的其他文献

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{{ truncateString('Alexander Rimberg', 18)}}的其他基金

Quantum from Classical: Approaching the Single-Quantum Strong Coupling Regime
来自经典的量子:接近单量子强耦合机制
  • 批准号:
    1807785
  • 财政年份:
    2018
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Continuing Grant
Quantum and Classical Phenomena in Electrical and Mechanical Resonators
机电谐振器中的量子和经典现象
  • 批准号:
    1104821
  • 财政年份:
    2011
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Continuing Grant
Quantum Noise and Backaction in Semi- and Superconducting Nanostructures
半导体和超导纳米结构中的量子噪声和反作用
  • 批准号:
    0804488
  • 财政年份:
    2008
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Continuing Grant
ITR Collaborative Research: Single Spin Measurement for Quantum Information Processing
ITR 协作研究:量子信息处理的单自旋测量
  • 批准号:
    0454914
  • 财政年份:
    2004
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Continuing Grant
Real-Time Electron Dynamics in Nanoscale Structures
纳米结构中的实时电子动力学
  • 批准号:
    0454842
  • 财政年份:
    2004
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Standard Grant
Real-Time Electron Dynamics in Nanoscale Structures
纳米结构中的实时电子动力学
  • 批准号:
    0242907
  • 财政年份:
    2003
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Standard Grant
ITR Collaborative Research: Single Spin Measurement for Quantum Information Processing
ITR 协作研究:量子信息处理的单自旋测量
  • 批准号:
    0325501
  • 财政年份:
    2003
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Continuing grant
Effect of the Electrodynamic Environment on Electrical Transport in Nanoscale Structures
电动力环境对纳米结构电传输的影响
  • 批准号:
    9974365
  • 财政年份:
    1999
  • 资助金额:
    $ 68.26万
  • 项目类别:
    Continuing grant

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Foundations of Classical and Quantum Verifiable Computing
经典和量子可验证计算的基础
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    2024
  • 资助金额:
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Mixed Quantum-Classical Semiclassical Theory: Finding Reaction Paths in Open Quantum Systems
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    2404809
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    2347622
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    2024
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合作研究:教学对学生思考经典和量子力学实验中的测量的影响
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CAREER: Symmetries and Classical Physics in Machine Learning for Science and Engineering
职业:科学与工程机器学习中的对称性和经典物理学
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经典多项式的多面观
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合作研究:基于经典和量子机械双稳态结构的声子隧道结的非线性动力学和波传播
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